<!DOCTYPE html>
<html lang="en">
<head>
    <title>Vue_notepad</title>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
    <meta name="robots" content="noindex,nofollow"/>
    <meta name="googlebot" content="noindex,nofollow"/>
    <meta name="viewport" content="width=device-width,initial-scale=1"/>
    <link rel="stylesheet" type="text/css" href="index1.css"/>
</head>
<body>
    <!--主体区域-->
    <section id="todoapp">
        <!--输入框-->
        <header class="header">
            <h1>记事本</h1>
            <input v-model="inputValue" @keyup.enter="add" autofocus="autofocus" autocomplete="off" 
            placeholder="请输入任务" class="new-todo"/>
        </header>
        <!--列表区域-->
        <section class="main">
            <ul class="todo-list">
                <li class="todo" v-for="(item,index) in list">
                    <div class="view">
                        <span class="index">{{ index+1 }}.</span>
                        <label>{{ item }}</label>
                        <button class="destroy" @click="remove(index)"></button>
                    </div>
                </li>
            </ul>
        </section>
        <!--统计和清空-->
        <footer class="footer" v-show="list.length!=0">
            <span class="todo-count" v-if="list.length!=0">
                <strong>{{ list.length }}</strong>
                items left
            </span>
            <button class="clear-completed" @click="clear" v-show="list.length!=0">
                Clear
            </button>
        </footer>
    </section>
    <footer class="info">
        <p>
            <a href="https://www.baidu.com/"><img src="black.png" alt="" ></a>
        </p>
    </footer>
    <!-- 开发环境版本，包含了有帮助的命令行警告 -->
    <script src="https://cdn.jsdelivr.net/npm/vue@2.6.14/dist/vue.js"></script>
    <script>
        var app = new Vue({
            el:"#todoapp", 
            data:{
                list:["IT","EAT","SLEEP"],
                inputValue:"GOOD GOOD STUDY,DAY DAY UP"
            },
            methods:{
                add:function(){
                    this.list.push(this.inputValue);
                },
                remove:function(index){
                    console.log("删除");
                    console.log(index);
                    this.list.splice(index,1);
                },
                clear:function(){
                    this.list = [];
                }
            }
        })
    </script>
</body>
</html>
